Slowing down a picturebox movement

Question

This is the code: 

 

 

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Timers;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using System.Threading;

using System.IO;

using System.Drawing.Imaging;

using System.Drawing.Drawing2D;

using System.Collections;

using System.Globalization;

using System.Resources;

namespace Move_the_Block_Project

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

A_Down.BringToFront();

A_Up.BringToFront();

A_Right.BringToFront();

A_Left.BringToFront();

}

public int SelectRandom (string type)

{

Random random = new Random();

int a = 0;

if (type == "A")

{

a = random.Next(0, 4);

}

if (type == "L")

{

a = random.Next(68, 358);

}

if (type == "M")

{

a = random.Next(1,2);

}

return a;

}

private void Start_B_Click(object sender, EventArgs e)

{

Moving.Interval = 500;

Moving.Start();

}

public PictureBox A_List(string type)

{

List<PictureBox> Arrows = new List<PictureBox>(3);

Arrows.Add(A_Up);

Arrows.Add(A_Right);

Arrows.Add(A_Left);

Arrows.Add(A_Down);

int save, n = SelectRandom(type);

save = n;

if (type == "save")

{

return Arrows[save];

}

else

{

return Arrows[n];

}

}

private void Moving_Tick(object sender, EventArgs e)

{

string type = "A";

PictureBox Arrow_S = A_List(type);

bool Flag = true;

Point End_P = new Point(Arrow_S.Location.X, 420);

while (Flag)

{

type = "M";

Arrow_S.Location = new Point(Arrow_S.Location.X, Arrow_S.Location.Y + SelectRandom(type));

Flag = go(Arrow_S.Location);

if (End_P == Arrow_S.Location)

{

Arrow_S.Location = new Point(Arrow_S.Location.X, 68);

break;

}

}

}

public bool go (Point L)

{

string type = "Y";

bool Flag;

Point a = new Point (L.X, SelectRandom(type));

if (L.Y == a.Y)

{

Flag = false;

}

else

{

Flag = true;

}

return Flag ;

}

private void Stop_Click(object sender, EventArgs e)

{

Moving.Stop();

}

private void Form1_KeyPress(object sender, KeyPressEventArgs e)

{

string type = "save";

PictureBox Arrow_S = A_List(type);

if (e.KeyChar == 119)

{

if (B_A_Up.Location.Y -112 <= A_Up.Location.Y && B_A_Up.Location.Y >= A_Up.Location.Y)

{

Display.BackColor = Color.LightGreen;

}

else

{

Display.BackColor = Color.Red;

}

}

if (e.KeyChar == 115)

{

if (B_A_Down.Location.Y -112 <= A_Down.Location.Y && B_A_Down.Location.Y >= A_Down.Location.Y)

{

Display.BackColor = Color.LightGreen;

}

else

{

Display.BackColor = Color.Red;

}

}

if (e.KeyChar == 097)

{

if (B_A_Left.Location.Y-112 <= A_Left.Location.Y && B_A_Left.Location.Y >= A_Left.Location.Y)

{

Display.BackColor = Color.LightGreen;

}

else

{

Display.BackColor = Color.Red;

}

}

if (e.KeyChar == 100)

{

if (B_A_Right.Location.Y -112 <= A_Right.Location.Y && B_A_Right.Location.Y >= A_Right.Location.Y)

{

Display.BackColor = Color.LightGreen;

}

else

{

Display.BackColor = Color.Red;

}

}

}

private void Restart_B_Click(object sender, EventArgs e)

{

Moving.Stop();

Display.BackColor = Color.Transparent;

}

}

}